Problem
Jerry has $12 a week to spend on yogurt and berries. The price of yogurt is $2, and berries are $4 a box.
How do Jerry's consumption possibilities change if, other things remaining the same,
(i) the price of berries falls and
(ii) Jerry's income increases?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.